System for the generation and distribution of electricity.



PATBNLBD man, 1908*.'

FOR THB GENERATION D DISTRIBUTION 0F ELECTRICITY. APPL'IOATION FILED un. 11, 190s.` f f l l I l l I I Il rlll lllllllllllll I W )MQW To all whom it may concern.'

-; an srAfrns PATENT THOMAS n. MCADORY, OF CHICAGO, ILLrxoIs, AssIGNOR To THE ADAMS t wEsrLAKEf COMPANY,v A `coarorerrron OF ILLINOIS.

SYSTEM FOR THE GENEBATIN AND DISTRIBUTION OF ELCTBICITY.

No. 895,490. f

Specication ci Letters Patent.

Application led April 17, 196:8. v Serial N o. 427,652.

Patented Aug. 11, 190s.

Beit known that LTHOMAs H. MCADORY, point 16 the main line now designated 20 nois, have invented certain new and useful Improvements in Systems for the Generation .A and Distribution of Electricity, of which the following is a specification, and which are@ 'insti-ated in the accompanying drawings, forming a part thereof. The Invention relates to those systems in which' there is empio ed a generator in the i form of adynamo an a storage battery, and particularly where the dynamo is driven at variable speeds; and the object of the invention is to provide against over-charging of the battery and for the regulation ofthe dynamo. i It consists in the subdividing of one of the f dynamo mains into two branches, one of. which effects the regulation of the. dynamo field and the other carries the major part of the charging current and has incorporated in it variable resistance Controlled by the voltage of the battery. In the drawings conventionally illustratiILg the. invention there is shown at 1 a self i eciting dynamo, at 2 a storage battery, at 3 a translating work Circuit shown as containn ing a pluralit of lamps and being connected .l 'with both pole field regulator and at 7 a rheostat controlled i; pot 44.-

These parts are all old and l by the regulator and being incorporated in the field circuit.

ads to the positive poleof the battery 2. y

The carbon plates of the 'variable resistance 17 are forced together by means of a weight 21 hung frornan oscillating arm 22 carrying a ressure bar 23, which bears upon the upper isk 18. The outer end of the arm 22 suspended from a core 24 of a solenoid l coni rising' a voltage coil 25 in shunt from the attery 2, one branch 26 of its circuit leading from the main positive dynamo line 20 at 27, the other branch 28 leading from the coil 2.5 to the negative terminal of the battery.

is mounted the movable Contact 10, this circuit 29 being connected with the branch 28 of the two sets of coils 12 and 31 of the circuit breaker are in a common magnetic field. The field circuit 34 leads from the line 29 from the. rheostat resistance 37 to the field 5 and thence to the negative terminal of the dynamo. The Iheostat arm 36 is pivoted at 39 and carries a sheave 40 concentric 'with its pivot o vcr which turns a chain '11 to one i end -ofwh1ch is suspended the core 42 of the solenoid 15 and to the other end of vwhich is shown as` constituting a plunger of a dash When the dynamo is actuated and attains well known. a speed suflicient tO develop a voltage in ex- The main ositive dynamo lead is desigi1 ces of that of the battery 2, the coils 31 of nated S and t e main negative dynamo lead 9 the circuit breaker 4 are energized to a suffiis connected directly with one branch of the i wort:` circuit 3 and. the negative pole of the junction point 13. rom this branch 14 of the main line leads to the coil 15 of the solenoid of the regulator 6 and the junction point 13 to a variabl e resistance device 17 here shown as comprismg'a pluralitjr of supe cient extent to bring the contact members 10, 1 1 into engagement. The main dynamo lead .g being now closed the current flows therethrough to the point 13 and is there divided, y i so much of it as the line will carry this cut out through a air of its coils 12 to a point one passing through the coil of the solenoid 15 and the remainder flowing through the variable resistance 1-7, the two currentsI reuniting at the point 16 and passing on to the batterv 2. A thence to the junction point 16. The other branch 43 of the main positive line leads from .2

part of the current flowing through the line 29 is diverted at the oint 35 to the line 84 j builds up with the increasing speed of the osed carbon disks 18. the? lower one of- Wluc dvnamo armature the magnetic ull of the The circuit breaker 4 is initially controlled'. by a shunt line 29 leading from the main ositive line 8 at 30, through a pair of coi s 31 carried by the oscillating arm 32 upon which of the voltage coil circuit at 33. The poles at 35, to the arm 36 of the rheostat 7 and` suspended a counterweight *.43 which is` Ormea. i

l per ones resting upon it. From the junction etn - and energizes the ie d 5. As the current y l1 19, is stationary, the upl solenoid 15 overcomes. the weig It 43 and 110 moves thearni 36' downwardly to throw resistance into the field circuit and thus iimit the dynamo output: v

W'hen the battery 2 has been fully charged, bringing its vteup-te-the batteryrating' the coi `ac uires suflicient magnetic eny ergy to raise t e weight 21' and reduce the ressure of contact between the carbon disks l of the variable resistance 17 thereby increasing theresistance in the branch 43 of the main positive lead of the dynamo and reducing the current flow therethrough. This diversion of the current to the line 14`results in the immediate cutting in of suiicient additional resistance to the field circuit, immediately reduces the current output ofthe dynamo to the ca acity of the line 14 and the charging rate o the-battery is consequently correspondingly lowered. If the battery voltage is stil further augmented the resistance at 17 is increased until it may become infinite.

B the means described'overcharging of the attery is entirely prevented, the volume of current delivered throu h the line 14 being so small as to be negligi le. Furthermore this means for preventln overchar 'n of the battery is controlled 'rectly am?1 sely by the battery itself, the amount of resistance interposed at 17 not being affected by the action of the dynamo'except throug the medium of the attery. 'It follows, therefore,` that When the battery has been fully charged the necessary resistance at 17 is interposed and remains constant until the-battery voltage is lowered Without regard to -Whether the dynamo has or has not continued to be operated.

The system is peculiarly Well adapted for use in connection with train lighting systems wherein the dynamo is driven from the ,car axle, but may be used in any situation.

I claim as my invention 1. In a system for the generation and distribution of electricity, 1n' combination, a enerator, a storage battery, mains connecting the generator and battery, one of such mains being' divided into two branches, variable rsistance in one branch, and an auto-vv matic regulator for such resistance controlled by the voltage of the battery.

2. In a system for the generation and distribution of electricity, 1n combination, a

generator, a 'storage battery, mains connect-v ing the generator and batte one of. suchmains being divided into two ranches, van'- able resistance in one branch, and an automatic re ulator for such resistance controlled directly ythe voltage of the battery.

3. In a s stem for the generation and distribution o electricity, in combination, a self exciting dynamo, a storage battery, mains connecting the dynamo and battery one of such mains beine a regulator for the dynamo field circuit controlled by one of saidbranches, variable resistance Vin the other of such branches and an automatic regulator for such resistance controlled by the voltage of thelstorage battery.

4. In a system for the generation and distribution of electricity, in combination, a

enerator, a storage battery, mains connectlng the generator and batter one of such mains being divided into two branches, variable resistance in one branch, a voltage coil in shunt from the battery and an armature coperating with such coil and mechanically arm bearing on such disks, a voltage coil in shunt from the battery and a core co-acting with the coil and carrying the' arm.

THOMAS H. MCADORY.

Witnesses:

LOUIS K. GrLLsoN, ROGER M. NEWBOLD."

divided into two branches, .i

7.o vi 

